/* 通知样式 */
.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 15px 20px;
  border-radius: 4px;
  color: white;
  z-index: 10000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  animation: slideIn 0.3s, fadeOut 0.5s 2.5s;
}

.notification-info {
  background-color: #2196F3;
}

.notification-success {
  background-color: #4CAF50;
}

.notification-warning {
  background-color: #ff9800;
}

.notification-error {
  background-color: #f44336;
}

@keyframes slideIn {
  from {
      transform: translateX(100%);
      opacity: 0;
  }
  to {
      transform: translateX(0);
      opacity: 1;
  }
}

@keyframes fadeOut {
  from {
      opacity: 1;
  }
  to {
      opacity: 0;
  }
}

/* 通用工具类 */
.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.text-primary {
  color: var(--primary-color);
}

.text-success {
  color: var(--success-color);
}

.text-warning {
  color: var(--warning-color);
}

.text-error {
  color: var(--error-color);
}

.text-info {
  color: var(--info-color);
}

.text-muted {
  color: var(--dark-gray);
}

.bg-light {
  background-color: var(--light-gray);
}

.bg-white {
  background-color: var(--container-bg);
}

.bg-primary {
  background-color: var(--primary-color);
  color: white;
}

.m-0 {
  margin: 0;
}

.m-1 {
  margin: 5px;
}

.m-2 {
  margin: 10px;
}

.m-3 {
  margin: 15px;
}

.m-4 {
  margin: 20px;
}

.mt-0 {
  margin-top: 0;
}

.mt-1 {
  margin-top: 5px;
}

.mt-2 {
  margin-top: 10px;
}

.mt-3 {
  margin-top: 15px;
}

.mt-4 {
  margin-top: 20px;
}

.mb-0 {
  margin-bottom: 0;
}

.mb-1 {
  margin-bottom: 5px;
}

.mb-2 {
  margin-bottom: 10px;
}

.mb-3 {
  margin-bottom: 15px;
}

.mb-4 {
  margin-bottom: 20px;
}

.p-0 {
  padding: 0;
}

.p-1 {
  padding: 5px;
}

.p-2 {
  padding: 10px;
}

.p-3 {
  padding: 15px;
}

.p-4 {
  padding: 20px;
}

.pt-0 {
  padding-top: 0;
}

.pt-1 {
  padding-top: 5px;
}

.pt-2 {
  padding-top: 10px;
}

.pt-3 {
  padding-top: 15px;
}

.pt-4 {
  padding-top: 20px;
}

.pb-0 {
  padding-bottom: 0;
}

.pb-1 {
  padding-bottom: 5px;
}

.pb-2 {
  padding-bottom: 10px;
}

.pb-3 {
  padding-bottom: 15px;
}

.pb-4 {
  padding-bottom: 20px;
}

.flex {
  display: flex;
}

.flex-column {
  flex-direction: column;
}

.flex-row {
  flex-direction: row;
}

.justify-content-center {
  justify-content: center;
}

.justify-content-between {
  justify-content: space-between;
}

.justify-content-end {
  justify-content: flex-end;
}

.align-items-center {
  align-items: center;
}

.align-items-start {
  align-items: flex-start;
}

.align-items-end {
  align-items: flex-end;
}

.gap-1 {
  gap: 5px;
}

.gap-2 {
  gap: 10px;
}

.gap-3 {
  gap: 15px;
}

.gap-4 {
  gap: 20px;
}

.w-100 {
  width: 100%;
}

.h-100 {
  height: 100%;
}

.rounded {
  border-radius: 4px;
}

.rounded-lg {
  border-radius: 8px;
}

.shadow {
  box-shadow: var(--shadow);
}

.hidden {
  display: none;
}

.visible {
  display: block;
}

.cursor-pointer {
  cursor: pointer;
}

/* 响应式工具类 */
@media (max-width: 768px) {
  .mobile-hidden {
      display: none;
  }
  
  .mobile-block {
      display: block;
  }
  
  .mobile-flex {
      display: flex;
  }
  
  .mobile-flex-column {
      flex-direction: column;
  }
}